Watts, C. T. (2007). Joseph Conrad: 'The secret agent'. Humanities-Ebooks.
Cita Chicago (17th ed.)Watts, Cedric Thomas. Joseph Conrad: 'The Secret Agent'. Tirril [England] ; Penrith, Calif.: Humanities-Ebooks, 2007.
Cita MLA (9th ed.)Watts, Cedric Thomas. Joseph Conrad: 'The Secret Agent'. Humanities-Ebooks, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.